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342-86400-498PS
Issue 1.2
April 2012
Page 173
Copyright
GE Multilin Inc. 2010-2012
IEEE
Institute of Electrical and Electronics Engineers
IGMP
Internet Group Multicast Protocol
JIF
JungleMUX Intermediate Format
JMUX
JungleMUX
JVT
JungleMUX Virtual Tributary
LAN
Local Area Network
LED
Light Emitting Diode
LFLB
Link Failure Loopback (a proprietary term used for Lentronics
Multiplexers Ethernet applications)
LME
Lentronics Multiplexers' Ethernet
LS
Least Significan
t (Note: In other manuals this is also “Low Speed”)
MAC
Medium Access Controller
MAU
Media Attachment Unit
MDI
Medium Dependent Interface
MII
Media Independent Interface
MM
Multimode
MMF
Multimode Fiber
MS
Most Significant
MTBF
Mean Time Between Failures
N/A
Not Applicable
NAD
Node Assignment Drawing
NMS
Network Management System
P/B
Paddleboard
PC
Personal Computer
PHY
Physical Layer Entity
POH
Path Overhead
PTP
Precision Time Protocol
PVLAN
Port-Based VLAN
QVLAN
802.1Q‟s VID-based VLAN
RAM
Random Access Memory
RCV
Receive
RDI
Remote Defect Indication (a more recent term for the traditional
“yellow” alarm)
REI
Remote Error Indication
RFI
Radio Frequency Immunity
ROM
Read-Only Memory
SA
Source Address (48-bit MAC-
address of frame‟s source; carried in
Ethern
et frame‟s bytes #7-12)
SDH
Synchronous Digital Hierarchy (a European version of SONET)
SFP
Small Form-Factor Pluggable (a style of optical transceiver)
SMF
Single Mode Fiber